Disturbance Of Ion Tail Of Comet Lovejoy (C/2013 T1).

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Disturbance of ion tail of Comet Lovejoy (C/2013 T1).
Taken by Kouji Ohnishi on December 4, 2013 @ Disturbance of ion tail of Comet Lovejoy. Dec 4 2013 19h25m-20h17m(UT) Big Structure of the hump-like of comet Lovejoy was found in the early hours December 5, 2013(JST). Here I show the hump-like structure using 135mm(F2) Photo Lens.

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Date Taken: 2013:12:07 18:56:59

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Disturbance of ion tail of Comet Lovejoy. Dec 4 2013 19h25m-20h17m(UT) Big Structure of the hump-like of comet Lovejoy was found in the early hours December 5, 2013(JST). Here I show the hump-like structure using 135mm(F2) Photo Lens.

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I see a recognizable scallop shape in image on right and can see how it developed over time in the previous images. Also noted how the region near the comet head intensifies with time.

Geraint H. Jones and John C. Brandt identified that the
impact of fast interplanetary coronal mass ejections or ICMEs produces a specific morphology including a characteristic scalloped appearance suggesting that the ICME magnetic field drapes around preexisting tail density enhancements with their study of comet 153P/Ikeya-Zhang published in October 2004.
Reference:
Jones, G. H., and J. C. Brandt (2004), The interaction of comet 153P/Ikeya-Zhang with interplanetary coronal mass ejections: Identification of fast ICME signatures, Geophys. Res. Lett., 31, L20805, doi:10.1029/2004GL021166

Posted by cbellh47 2013-12-07 08:20:33

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